Table 2 Langmuir and Freundlich adsorption isotherm values
Heavy metals | qmax (mg/g) | Langmuir | Freundlich | ||||
|---|---|---|---|---|---|---|---|
KL (L/mg) | RL | R2 | KF (mg−1) | 1/n | R2 | ||
Nickel | 35.21 | 4.89 | 0.0927 | 0.9992 | 35.80 | 0.5712 | 0.9916 |
Cadmium | 41.84 | 1.91 | 0.2074 | 0.9871 | 38.19 | 0.7610 | 0.9974 |
Lead | 31.85 | 4.24 | 0.1054 | 0.9928 | 29.70 | 0.5501 | 0.9884 |
Estriol | 83.19 | 3.29 | 0.1319 | 0.9844 | 30.48 | 0.5859 | 0.9826 |
α-Estradiol | 79.30 | 7.16 | 0.0653 | 0.9494 | 29.70 | 0.5500 | 0.9856 |
β-Estradiol | 63.65 | 5.07 | 0.0897 | 0.9931 | 28.75 | 0.5063 | 0.9819 |
Testosterone | 77.70 | 2.41 | 0.1718 | 0.9291 | 25.64 | 0.5263 | 0.9077 |
Progesterone | 84.39 | 2.21 | 0.1845 | 0.9476 | 26.64 | 0.5198 | 0.9158 |
Bisphenol A | 78.25 | 9.06 | 0.0523 | 0.9645 | 29.70 | 0.5507 | 0.9855 |